Gang Wang1, Yao Sun2, Lin Cong2, Xuehong Jing2, Jing Yu2. 1. Department of Interventional Ultrasound, Shandong Univeristy, Shandong Medical Imaging Research Institute Jinan 250021, China. 2. Department of Interventional Ultrasound, Shandong Medical Imaging Research Institute Jinan 250021, China.
Abstract
OBJECTIVE: To evaluate the feasibility, safety and efficacy of artificial pleural effusion in percutaneous microwave ablation of hepatic tumors near the diaphragm under ultrasound guidance. METHODS: For localization and navigation of tumors near the dome of the diaphragm by ultrasound during microwave ablation in 14 tumors of 11 cases, artificial pleural effusion was performed in the volume of 1000~1500 ml of Normal saline or 5% Glucose injection solution via the right thoracic cavity. The tumor marker, AFP was monitored before and after operation in 6 times in a period of 2 years. We analyzed the successful rate and effectiveness of artificial pleural effusion. RESULTS: The successful rate of artificial pleural effusion was 100% without complications. Artificial hydrothorax on the right eliminated the interference of intrapulmonary gas to the visualization of hepatic tumors near the diaphragm on ultrasound. In the follow-up of 2 years, the ablation rate reached to 92.9% with no serious complications. The AFP value before operation was in significant statistical difference with the others after operation (P = 0.000). CONCLUSIONS: Artificial pleural effusion aids the visualization of hepatic tumors near the diaphragm on ultrasound. A good therapeutic effectiveness can be reached in percutaneous microwave ablation of tumors in the hepatic dome under the guidance of ultrasound.
OBJECTIVE: To evaluate the feasibility, safety and efficacy of artificial pleural effusion in percutaneous microwave ablation of hepatic tumors near the diaphragm under ultrasound guidance. METHODS: For localization and navigation of tumors near the dome of the diaphragm by ultrasound during microwave ablation in 14 tumors of 11 cases, artificial pleural effusion was performed in the volume of 1000~1500 ml of Normal saline or 5% Glucose injection solution via the right thoracic cavity. The tumor marker, AFP was monitored before and after operation in 6 times in a period of 2 years. We analyzed the successful rate and effectiveness of artificial pleural effusion. RESULTS: The successful rate of artificial pleural effusion was 100% without complications. Artificial hydrothorax on the right eliminated the interference of intrapulmonary gas to the visualization of hepatic tumors near the diaphragm on ultrasound. In the follow-up of 2 years, the ablation rate reached to 92.9% with no serious complications. The AFP value before operation was in significant statistical difference with the others after operation (P = 0.000). CONCLUSIONS:Artificial pleural effusion aids the visualization of hepatic tumors near the diaphragm on ultrasound. A good therapeutic effectiveness can be reached in percutaneous microwave ablation of tumors in the hepatic dome under the guidance of ultrasound.
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